diff options
| -rw-r--r-- | crypto/param_build.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/param_build.c b/crypto/param_build.c index f00c0aa809..ae215ff5aa 100644 --- a/crypto/param_build.c +++ b/crypto/param_build.c @@ -218,6 +218,10 @@ static int push_BN(OSSL_PARAM_BLD *bld, const char *key, } if (BN_get_flags(bn, BN_FLG_SECURE) == BN_FLG_SECURE) secure = 1; + + /* The BIGNUM is zero, we must transfer at least one byte */ + if (sz == 0) + sz++; } pd = param_push(bld, key, sz, sz, type, secure); if (pd == NULL) |